6.5

CVE-2018-1000880: canonical ubuntu_linux

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-1000880DEBIAN-CVE-2018-1000880
Published 20-12-2018Last modified 08-10-2026

Vulnerability summary

CVE-2018-1000880 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.06% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
4.06%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4

Timeline

  1. 20-12-2018
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.06%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.06% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.06%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Canonical1 product
Debian1 product
  • libarchive< 3.3.3-2
Fedoraproject1 product
Libarchive1 product
Opensuse1 product
Ubuntu1 product
  • libarchive< 3.2.2-3.1ubuntu0.2

6 vendors · 6 products

References

14 links
Show all 14 references